Most mid-Michigan school districts are open Wednesday, Jan. 29, despite a wind chill of 11 degrees below zero.

Saginaw and Bay county schools were closed Tuesday because of the temperatures and wind chill of minus 25 degrees.

The National Weather Service has a wind chill advisory in place until 10 a.m. Wednesday for Saginaw, Bay and Midland counties. Wind at 10 to 15 miles per hour could produce wind chills from 10 to 20 degrees below zero.

Chesaning Union School District and North Saginaw Charter Academy are among schools that have closed their doors Wednesday.